9x-7=-25

whats the variable?

Of four points are collinear, they are also coplanar

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?